Abstract: A one-piece rotationally molded plastic stadium seating chair module for assembly in side-by-side relationship in rows with each said chair module attached to a common supporting understructure. The chair module has a hollow, double wall construction and integrally formed seat, back, and armrest portions.
Abstract: An improved closed decking system for bleacher-type stadium seating. The decking system includes a plurality of extruded metal formed fillerboards, footboards, and riserboards which including means for interlocking with each other and with a stadium seating understructure so as to permit installation to be accomplished entirely from above the understructure.